[Bf-modeling] proper behavior for knife cut, midpoint snap mode

[Campbell Barton]

Thinking about this more, how about snap to middle of edge by default?

The same way that verts snap by default, then you can disable by
holding shift (same as verts).

This way edge centers are just treated as an alternative snapping target.

On Thu, Jul 3, 2014 at 1:24 PM, Campbell Barton <ideasman42 at gmail.com> wrote:
> Think its fine to leave as it is now in master.
>
> On Thu, Jul 3, 2014 at 3:10 AM, metalliandy
> <metalliandy666 at googlemail.com> wrote:
>> Technically I would expect the mid point snap to snap to all intermediate
>> points but I can also see the usefulness of the other option where the it
>> only snaps to the last edge at the midpoint.
>>
>> I wouldn't personally like to endorse the work around suggested as it would
>> be a laborious fix that only gets compounded as the face count increases. It
>> would be far faster to workaround the no midpoint snapping by subdividing
>> the starting and target edges and then cut a linear line between the newly
>> created verts.
>>
>> If we really don't want to add another hotkey (though perhaps something like
>> double CTRL press would work?) I would suggest keeping the snapping to
>> intermediate points option as it's much slower to workaround.
>>
>> Perhaps we could add a new addition to the constrain angle where the tool
>> gives an option to snap to midpoints instead of adding a new hotkey?
>>
>> Cheers,
>>
>> -Andy
>>
>>
>>
>> On 02/07/2014 17:42, Howard Trickey wrote:
>>
>> We have conflicting opinions (in the form of bug reports) about what the
>> behavior should be when you have midpoint-snap on with Knife, and the line
>> crosses intermediate edges.
>>
>> See https://developer.blender.org/T39617
>> where the user complained that the 2.69 behavior was to snap to the middle
>> of the intermediate edges too. Though I kind of liked the newer behavior
>> (not snapping to the intermediate points), I agreed that this was a behavior
>> regression and so "fixed" it to the 2.69 behavior.
>>
>> Now there are complaints about that fix.
>> See https://developer.blender.org/T40805
>>
>> I lean towards reverting to the "don't snap to the middle of the
>> intermediate edges" method, because there is an easier workaround to get the
>> other mode: just click on each edge as you cross it while drawing the line
>> (in midpoint snap mode).  And the star example in the T40805 discussion is
>> compelling.  (But one could also say the that half-wheel example in T39617
>> is compelling.)
>>
>> What is the right answer?  I don't think this is important enough to make an
>> option or have different key stroke shortcuts for the two different
>> midpoint-snapping modes.
>>
>> - Howard
>>
>>
>>
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>
>
>
> --
> - Campbell



-- 
- Campbell